90 c net developer jobs at 45 companies in Washington

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Software Engineer - C#/.NET
Camas, Washington, United States
$95k-$115k/yr OnsiteFull Time
nLIGHT
nLIGHTNASDAQ: LASR: Designs and manufactures high-power semiconductor and fiber laser systems.
5+ YOEBachelor's degree in CS/CE (or related), 5+ years Windows/PC software development, strong C# and .NET skills, experience with Visual Studio and Git; familiarity with REST/RPC, Windows installers, SQL and Azure preferred.
C#, .NET, Git, Microsoft Visual Studio, Azure, SQL, REST, RPC, Windows
2w
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Senior C# Developer (Data Management)
Warsaw or Seattle
HybridFull Time
Veeam
Veeam: Data resilience and security for hybrid cloud environments
5+ YOE5+ years commercial software development experience; proficiency in C# and .NET, software architecture, data structures and algorithms; problem-solving mindset and English proficiency.
C#, .NET, Microsoft Azure, Microsoft Entra ID, Veeam Data Command Center, Veeam Service Provider Console, Veeam VDC Azure/Entra ID services
6d
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.Net+Azure Developer
Bellevue, Washington, United States
$64k-$105k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
2+ YOEExperience with C#/.NET, REST APIs, Microsoft Azure, SQL/Kusto, unit testing, CI/CD, GitHub/Azure DevOps; 2+ years professional engineering experience.
C#, .NET, REST APIs, Microsoft Azure, SQL, Kusto, GitHub, Microsoft Azure DevOps, Microsoft Cosmos DB, Microsoft Azure Service Bus, Microsoft Intune, CI/CD, Microservices, Unit Testing
2d
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Entegral Software Engineer - .Net / C#
Arizona or Florida or Illinois or Louisiana or Maryland or Michigan or Minnesota or Missouri or New Jersey or Nevada or New York or Ohio or Oregon or Pennsylvania or Tennessee or Texas or Virginia or Washington or Wisconsin
$108k-$135k/yr RemoteFull Time
Enterprise Mobility
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
3+ YOE3+ years application development (.NET/C#) or bootcamp+5yrs, experience with ASP.NET Core, SQL/NoSQL, cloud and container technologies, CI/CD, Agile; must be authorized to work in the U.S. and located in listed states.
SQL Server, MySQL, Mongo, ASP.NET Core, C#, .NET Core, .NET 5, Docker, Azure, AWS, Google, Kubernetes, CI/CD, DevOps, Java, Springboot, SQL, NoSQL
6h
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Technical Specialist - .Net, Azure, C#
Washington, United States
$87k-$172k/yr OnsiteFull Time
HCLTech
HCLTechNational Stock Exchange of India: HCLTECH: Global provider of information technology services and software consulting.
Proficiency with .NET, Azure, and C#; experience designing and implementing scalable, secure cloud solutions; strong software development and troubleshooting skills.
.NET, C#, Microsoft Azure
3w
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Payments .NET Application Developer
Charlotte or Scottsdale or Dallas or Cleveland or California or Colorado or District of Columbia or Illinois or Maryland or Massachusetts or Minnesota or New York or New Jersey or Washington
$44-$54/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ years .NET development experience; proficient in C# and .NET core; relational DB experience (Oracle/MSSQL/PostgreSQL); Visual Studio and Git; strong OOP, design patterns, and communication skills; associate or bachelor degree.
.NET core, C#, Oracle, MSSQL, PostgreSQL, Microsoft Visual Studio, git, ASP.NET Core MVC, Web API, SQL Server, Entity Framework Core, ReactJS, VueJS, HTML, CSS, JavaScript, NUnit, xUnit, CockroachDB, Kafka
2w
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Senior Software Engineer
Redmond or New York
$120k-$235k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
4+ YOEBachelor's in CS or related (or equivalent), 4+ years engineering experience; proficiency in C/C++/C#/Java/JavaScript/Python; experience with Windows/.NET development, CI/CD, telemetry, and performance optimization.
C, C++, C#, Java, JavaScript, Python, .NET, Win32 API, WinUI3, UWP, CI/CD
1w
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Software Engineer
Florida or Wisconsin or Alaska or West Virginia or District of Columbia or Washington or Virginia or Vermont or Utah or Texas or Tennessee or South Dakota or South Carolina or Rhode Island or Puerto Rico or Pennsylvania or Oregon or Oklahoma or Ohio or North Dakota or North Carolina or New York or New Mexico or New Jersey or New Hampshire or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kentucky or Kansas or Iowa or Indiana or Illinois or Idaho or Georgia or Delaware or Connecticut or Colorado or Arkansas or Arizona or Alabama or Missouri or Wyoming
$70k-$80k/yr RemoteFull Time
Harris Computer
Harris Computer: Provides mission-critical vertical market software and service solutions.
Experience developing C#/.NET applications, MS SQL Server and T-SQL; BS in Computer Science or equivalent; US authorization and US-based location required; familiarity with AI-assisted development tools preferred.
C#, .NET, Microsoft SQL Server, T-SQL
1w
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Software Engineer III- Eng
Seattle, Washington, United States
$102k-$169k/yr HybridFull Time
UKG
UKG: Provider of workforce management and human capital management software.
4+ YOEBachelor's or equivalent, 4+ years software development experience, proficiency in C#, .NET, Python, Java, or JavaScript, experience with GitHub and JIRA, cloud and DevOps knowledge.
C#, .NET, Python, Java, JavaScript, GitHub, JIRA, Junit, Selenium, Azure, AWS, GCP
1mo
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Software Engineer, AI
United States or Alabama or Alaska or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or Wyoming
$125k-$145k/yr RemoteFull Time
Patch My PC
Patch My PC: Automates third-party application patching for Microsoft IT management tools
5+ YOEBachelor's (or equivalent) and 5+ years professional software development with C#/.NET; experience with AI agent frameworks, LLMs, Transformers/OpenAI/Hugging Face, REST APIs, cloud (Azure/AWS/GCP), MongoDB, and Git.
C#, .NET, LangChain, CrewAI, AutoGPT, MetaGPT, GPT, Claude, Mistral, Transformers, OpenAI API, Hugging Face, REST APIs, Azure, AWS, GCP, MongoDB, Git, Docker, CI/CD, Azure AI Foundry, Microsoft ConfigMgr, Microsoft Intune, Microsoft WSUS
1w
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UI Engineer
Seattle or United States
$110k-$125k/yr RemoteFull Time
Marchex
MarchexNASDAQ: MCHX: Develops AI software for call tracking and conversation analytics
3+ YOEBachelor's degree or equivalent experience, 3+ years software development, strong frontend skills (Angular/TypeScript/HTML/CSS), experience with backend (.NET/C# or Node.js), CI/CD and observability tool experience, cloud familiarity (Azure preferred).
Angular, TypeScript, HTML, CSS, RxJS, Redux, C#, .NET, .NET 8, Node.js, Scala, SQL, NoSQL, Azure, GitHub Actions, Bicep, New Relic, Application Insights, Jasmine, Cypress, Playwright, Cursor, Claude Code, Codex, GitHub Copilot, Kafka
2mo
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Senior Full Stack Software Engineer/Developer
Vancouver, Washington, United States
$95k-$130k/yr HybridFull Time
The Knowledge Coop
The Knowledge Coop: Provides intranet, LMS, and training solutions to improve team culture and growth.
5+ YOE5+ years of professional development; 2+ years with .NET/C#; 2+ years with TypeScript/React; strong relational DB skills; good communication.
DotNet, CSharp, TypeScript, React, REST, Relational Databases, OpenAPI, AWS
22h
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Software Engineer 1
Seattle, Washington, United States
$62k-$107k/yr HybridFull Time
Grange Insurance Association
Grange Insurance Association: Provides property and casualty insurance for families and farms.
3+ YOE3+ years software development experience, 2+ years Oracle Documaker experience, bachelor’s degree, strong scripting skills (C#, .NET, Java, JavaScript, Python, SQL, XML, XSLT), and strong communication and problem-solving abilities.
Oracle Documaker, Documaker Studio, Designer, Server, DAL, C#, .NET, Java, JavaScript, Python, SQL, XML, XSLT
3w
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Senior Software Engineer - Python/Agentic AI
Seattle, Washington, United States
$146k-$183k/yr HybridFull Time
BlackLine
BlackLineNASDAQ: BL: Provides cloud software to automate financial close and accounting.
3+ YOEMS in Mathematics/Computer Science or equivalent experience (BS+5 or MS+3). Strong software development skills (C#, .NET, .NET Core), 3+ years building web/SaaS/REST APIs, SQL expertise, distributed systems, test automation, and Agile experience.
Python, C#, .NET, .NET Core, HTML, JavaScript, JavaScript Frameworks, CSS, SQL, PostgreSQL, NoSQL, Docker, Kubernetes, Kafka, SQS, RabbitMQ, Azure, ASW, GCP
2w
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Full Stack Developer III
Seattle or Tacoma
$125k-$155k/yr HybridFull Time
PBK
PBK: Provides architectural and engineering design for specialized facilities.
7+ YOE7+ years full-stack experience; strong JavaScript/TypeScript and React front-end skills; back-end experience with Node.js, .NET/C#, or Python; REST API design, Microsoft Azure, CI/CD, secure development, and stakeholder collaboration.
React, TypeScript, JavaScript, Node.js, .NET, C#, Python, REST API, GitHub Enterprise, Microsoft Azure DevOps, Microsoft Azure, Autodesk Forma, Deltek Vantagepoint, Microsoft 365, Microsoft Graph API, Microsoft SharePoint, Docker, GitHub Enterprise, Microsoft Azure Monitor, Microsoft Application Insights, Microsoft Log Analytics
1mo
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Senior Software Engineer
United States or Connecticut or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$148k-$185k/yr RemoteFull Time
Worksoft: Automation platform for enterprise business process testing and discovery.
10+ YOEBachelor's in CS/Engineering or 15+ years related experience; 10+ years Windows OO development; strong C#/.NET skills; WinForms/WPF experience; problem-solving, troubleshooting, and customer-facing communication skills; familiarity with CI/CD and test automation preferred.
C#, .NET, .NET Framework, VB.NET, C++, Win32, WinForms, WPF, SQL, Web Services, WCF, COM, SAML, OAuth, Machine Learning, Deep Learning, OCR, Image Processing, SAP GUI, WebExtensions, Java, Oracle Forms, Mainframe, Acrobat, Email, UIA, MSAA, Applitools, SoapUI, Postman, Perfecto, Microsoft Office, Silverlight, macOS, Cocoa, Swift, Xcode, Mono, Xamarin, MAUI, Jenkins, Groovy, Bash, Z Shell, Batch, PowerShell, NANT, MSBuild, Git
2d
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Senior Application Developer
Pennsylvania or Maryland or Washington or North Carolina or Louisiana or Kentucky or Kansas or Indiana or Illinois or Georgia or Iowa or Florida or Colorado or California or Delaware or Connecticut or Arkansas or Arizona or Alabama or Alaska or Nevada or Vermont or Tennessee or Idaho or Oklahoma or Hawaii or Mississippi or Utah or New Hampshire or New Mexico or Wyoming or North Dakota or South Dakota or Rhode Island or West Virginia or Montana or Texas or Ohio or New Jersey or Oregon or South Carolina or Missouri or Virginia or Massachusetts or Nebraska or Minnesota or Michigan or Wisconsin or New York or Maine or District of Columbia
$86k-$139k/yr RemoteFull Time
Highmark Health
Highmark Health: Provides health insurance and integrated medical care services.
5+ YOE5+ years in scalable system design and modern programming languages (.NET, Angular, SQL, Java, Python, C#, JavaScript); experience defining system architectures, web services (REST/HTTPS/JSON); healthcare IT preferred.
.NET, Angular, SQL, Java, Python, C#, JavaScript, REST, HTTPS, JSON, HTML5, CSS, Google Cloud Platform (GCP), Amazon Web Services (AWS), MSSQL, Windows Server
2w
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AutoDesk Engineer
Redmond, Washington, United States
$75k-$92k/yr OnsiteFull Time, Contract
Tech Mahindra
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business process services.
5+ YOEExpert-level Autodesk skills with API/plugin development, advanced programming (C#/.NET, C++, or Python), ObjectARX/Revit/Inventor/Fusion customization, 5+ years software development, and a relevant bachelor's degree.
AutoCAD, Revit, Inventor, Fusion, Autodesk Platform Services (APS / Forge), ObjectARX, Revit API, Inventor API, AutoLISP, Fusion API, C#, .NET, C++, Python, Anthropic Claude, LangChain
1mo
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Software Development Engineer II (SDE II) – EDI Applications
Mountlake Terrace or Orcas
$92k-$157k/yr HybridFull Time
Premera Blue Cross
Premera Blue Cross: Provides health insurance and medical benefit plans for members.
1+ YOEBachelor's degree or equivalent experience, 1+ years software development experience, proficiency with .NET and C#, experience with SQL Server, XML/JSON, CI/CD, and working in agile teams; Azure and EDI/FHIR experience preferred.
C#, .NET, SQL Server, XML, JSON, CI/CD, Azure, API, FHIR, EDI, Python, JavaScript, HTML
1mo
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Software Dev Engineer II (Test Job), Workforce Solutions - Hiring Software Delivery
Bellevue, Washington, United States
$144k-$194k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
4+ YOEMinimum 4+ years high-level programming experience (Java, .Net, C# etc.); strong software development skills and ability to deliver production-quality services.
Java, .Net, C#